EP4010988A4 - Systèmes sans fil à partage spectral - Google Patents

Systèmes sans fil à partage spectral Download PDF

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Publication number
EP4010988A4
EP4010988A4 EP20849652.1A EP20849652A EP4010988A4 EP 4010988 A4 EP4010988 A4 EP 4010988A4 EP 20849652 A EP20849652 A EP 20849652A EP 4010988 A4 EP4010988 A4 EP 4010988A4
Authority
EP
European Patent Office
Prior art keywords
wireless systems
spectrum sharing
sharing
spectrum
wireless
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20849652.1A
Other languages
German (de)
English (en)
Other versions
EP4010988A1 (fr
Inventor
Shlomo Selim Rakib
Shachar Kons
Ronny Hadani
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cohere Technologies Inc
Original Assignee
Cohere Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cohere Technologies Inc filed Critical Cohere Technologies Inc
Publication of EP4010988A1 publication Critical patent/EP4010988A1/fr
Publication of EP4010988A4 publication Critical patent/EP4010988A4/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/021—Estimation of channel covariance
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03343—Arrangements at the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
    • H04L25/4975—Correlative coding using Tomlinson precoding, Harashima precoding, Trellis precoding or GPRS

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
EP20849652.1A 2019-08-05 2020-08-05 Systèmes sans fil à partage spectral Pending EP4010988A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962882864P 2019-08-05 2019-08-05
PCT/US2020/044970 WO2021026212A1 (fr) 2019-08-05 2020-08-05 Systèmes sans fil à partage spectral

Publications (2)

Publication Number Publication Date
EP4010988A1 EP4010988A1 (fr) 2022-06-15
EP4010988A4 true EP4010988A4 (fr) 2022-12-21

Family

ID=74504140

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20849652.1A Pending EP4010988A4 (fr) 2019-08-05 2020-08-05 Systèmes sans fil à partage spectral

Country Status (4)

Country Link
US (2) US12289148B2 (fr)
EP (1) EP4010988A4 (fr)
AU (2) AU2020324428B2 (fr)
WO (1) WO2021026212A1 (fr)

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US10667148B1 (en) 2010-05-28 2020-05-26 Cohere Technologies, Inc. Methods of operating and implementing wireless communications systems
US9071286B2 (en) 2011-05-26 2015-06-30 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-frequency shifting communications system
US11943089B2 (en) 2010-05-28 2024-03-26 Cohere Technologies, Inc. Modulation and equalization in an orthonormal time-shifting communications system
CN108770382B (zh) 2015-09-07 2022-01-14 凝聚技术公司 使用正交时间频率空间调制的多路存取的方法
US11038733B2 (en) 2015-11-18 2021-06-15 Cohere Technologies, Inc. Orthogonal time frequency space modulation techniques
WO2017173160A1 (fr) 2016-03-31 2017-10-05 Cohere Technologies Acquisition de canal à l'aide d'un signal pilote à modulation orthogonale dans le temps, la fréquence et l'espace
US10063295B2 (en) 2016-04-01 2018-08-28 Cohere Technologies, Inc. Tomlinson-Harashima precoding in an OTFS communication system
WO2018106731A1 (fr) 2016-12-05 2018-06-14 Cohere Technologies Accès sans fil fixe au moyen d'une modulation orthogonale d'espace temps-fréquence
WO2018195548A1 (fr) 2017-04-21 2018-10-25 Cohere Technologies Techniques de communication utilisant des propriétés quasi-statiques de canaux sans fil
WO2018200567A1 (fr) 2017-04-24 2018-11-01 Cohere Technologies Conceptions et fonctionnement d'antenne multifaisceau
WO2019036492A1 (fr) 2017-08-14 2019-02-21 Cohere Technologies Attribution de ressources de transmission par division de blocs de ressources physiques
WO2019051093A1 (fr) 2017-09-06 2019-03-14 Cohere Technologies Réduction de treillis en modulation temporelle, fréquentielle et spatiale orthogonale
US11190308B2 (en) 2017-09-15 2021-11-30 Cohere Technologies, Inc. Achieving synchronization in an orthogonal time frequency space signal receiver
US11152957B2 (en) 2017-09-29 2021-10-19 Cohere Technologies, Inc. Forward error correction using non-binary low density parity check codes
US11184122B2 (en) 2017-12-04 2021-11-23 Cohere Technologies, Inc. Implementation of orthogonal time frequency space modulation for wireless communications
US11202262B2 (en) * 2017-12-30 2021-12-14 Dugan Patents, Llc Methods and apparatus for reducing mobile telephone power consumption and/or radiation exposure
US11489559B2 (en) 2018-03-08 2022-11-01 Cohere Technologies, Inc. Scheduling multi-user MIMO transmissions in fixed wireless access systems
US11329848B2 (en) 2018-06-13 2022-05-10 Cohere Technologies, Inc. Reciprocal calibration for channel estimation based on second-order statistics
JP7667929B2 (ja) * 2019-06-07 2025-04-24 エムティーエフコム インク． 新規な大容量通信システム
US11962373B2 (en) * 2019-09-26 2024-04-16 Cohere Technologies, Inc. Multi-layer multi-beam communication systems
AU2021293186A1 (en) * 2020-06-15 2023-01-05 Cohere Technologies, Inc. Spectral sharing wireless systems
WO2022069061A1 (fr) * 2020-10-02 2022-04-07 Telefonaktiebolaget Lm Ericsson (Publ) Technique d'évaluation de qualité de connexion
US12335081B2 (en) 2021-04-29 2025-06-17 Cohere Technologies, Inc. Ultra wide band signals using orthogonal time frequency space modulation
FR3123170B1 (fr) * 2021-05-20 2023-04-14 Commissariat Energie Atomique Compensation de dérives fréquentielles dans un réseau multi-antennaires distribué
EP4092920A3 (fr) 2021-05-20 2023-04-05 Nokia Technologies Oy Programmation de dispositif utilisateur
US12155593B2 (en) * 2021-11-16 2024-11-26 Qualcomm Incorporated Demodulation reference signal precoding in high-doppler scenarios
US12489500B2 (en) * 2022-03-17 2025-12-02 Qualcomm Incorporated In-network distributed processing for precoding and linear detection
US12284058B2 (en) * 2022-06-16 2025-04-22 Samsung Electronics Co., Ltd. Self-tuning fixed-point least-squares solver
US20250097079A1 (en) * 2023-09-19 2025-03-20 Qualcomm Incorporated Channel estimation reference signals for pre-equalization
WO2025155790A1 (fr) * 2024-01-19 2025-07-24 Matsing, Inc. Balayage de zone séquentielle rapide présentant une interférence de faisceau réduite
US20250266910A1 (en) * 2024-02-20 2025-08-21 GM Global Technology Operations LLC Method of channel sounding antenna calibration
WO2025198262A1 (fr) * 2024-03-18 2025-09-25 한국전자통신연구원 Appareil de transmission de signal de diffusion utilisant de multiples antennes de transmission et multiplexage par répartition en couches, procédé l'utilisant
WO2025198263A1 (fr) * 2024-03-18 2025-09-25 한국전자통신연구원 Dispositif de transmission de signal de diffusion utilisant de multiples antennes de transmission et le multiplexage par répartition en couches, et procédé l'utilisant
CN120892846B (zh) * 2025-09-28 2026-02-27 中国船舶集团有限公司第七一五研究所 一种基于Single-link层次聚类的多目标线谱特征分辨方法

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EP1087545A1 (fr) * 1999-09-24 2001-03-28 National University Of Singapore Procedé de formation de faisceau de liaison descendante
US20160088648A1 (en) * 2014-09-24 2016-03-24 Intel Corporation Scheduling in a multiple user multiple-input and multiple output communications network

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US8644288B2 (en) 2008-07-31 2014-02-04 Motorola Mobility Llc Uplink spatial division multiple access (SDMA) user pairing and scheduling
GB0913367D0 (en) * 2009-07-31 2009-09-16 Omnisense Ltd Positioning systems
JP5899043B2 (ja) * 2012-05-07 2016-04-06 株式会社Ｎｔｔドコモ コードブック適合方法、無線基地局装置及びユーザ装置
WO2014039616A1 (fr) * 2012-09-06 2014-03-13 Marvell World Trade Ltd. Recherche efficace de précodeurs dans des systèmes mimo précodés
AR097432A1 (es) * 2013-08-22 2016-03-16 ERICSSON TELEFON AB L M (publ) Posicionamiento en una celda compartida
KR102204618B1 (ko) 2014-01-28 2021-01-19 엘지전자 주식회사 무선 통신 시스템에서 적응적 안테나 스케일링 기반 참조 신호 송신 방법 및 이를 위한 장치
US10056954B2 (en) * 2015-07-03 2018-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Wireless device, radio network node, methods performed therein
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CN113660013A (zh) * 2019-06-06 2021-11-16 华为技术有限公司 一种信道测量方法和通信装置
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EP1087545A1 (fr) * 1999-09-24 2001-03-28 National University Of Singapore Procedé de formation de faisceau de liaison descendante
US20160088648A1 (en) * 2014-09-24 2016-03-24 Intel Corporation Scheduling in a multiple user multiple-input and multiple output communications network

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Title
See also references of WO2021026212A1 *

Also Published As

Publication number Publication date
US20250150130A1 (en) 2025-05-08
AU2020324428A1 (en) 2021-04-08
US12289148B2 (en) 2025-04-29
WO2021026212A1 (fr) 2021-02-11
US20220311489A1 (en) 2022-09-29
AU2026200761A1 (en) 2026-02-26
AU2020324428B2 (en) 2025-11-13
EP4010988A1 (fr) 2022-06-15

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